I am having an odd issue. My WiFi has been very glitchy lately so I logged into the app and saw lots of points offline. I have 3 routers and 2 points. I decided to take it all down. Deleted the home and factory reset everything. Tried to set everything up from scratch and the router connected to the modem stays offline even though it is working. Speeds are fine. Posting from it now.
I switched to a different router and all different cables and power etc and deleted the app and reinstalled the app again and started it all from factory reset again and same thing. Something is up. And I can’t figure out what it is. Is there some odd setting. Everything also says it is up to date. When the network first came up the router was online and I added another point and then it went down. It won’t let me add any more points either.
Try to disable IPv6 in Wi-Fi -> Settings -> Advanced networking. In some cases it seems to cause random problems like this.
Also make sure when managing Nest Wifi that:
Make sure you have no VPN enabled/ connected, not any 3rd party product, nor the "Apple iCloud Private Relay".
Make sure the Google Home app has permissions to "local network access".